Question

1. wildfire smoke is not really dangerous or unhealthy unless it reaches levels over 500.

true
false

Explanation:

Air quality index (AQI) levels for wildfire smoke show that even levels above 100 are considered unhealthy for sensitive groups, and levels 151-200 are unhealthy for everyone. Levels over 500 are hazardous, but harm occurs at much lower thresholds.

Answer:

False